What does the following command do?
who | wc –l
who | wc –l
A. List the number of users logged in
B. List the users
C. List the number of users in the system
D. Display the content of who command
Answer: Option A
Related Questions on Linux
What command is used to count the total number of lines, words, and characters contained in a file?
A. countw
B. wcount
C. wc
D. count p
E. None of the above
What command is used with vi editor to delete a single character?
A. x
B. y
C. a
D. z
E. None of the above
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